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// LSP hover information (textDocument/hover request)
void hover_close(Ted *ted) {
Hover *hover = &ted->hover;
hover->time = 0.0;
hover->open = false;
free(hover->text);
hover->text = NULL;
}
void hover_send_request(Ted *ted) {
// find the buffer where the mouse is
for (int i = 0; i < TED_MAX_BUFFERS; ++i) {
TextBuffer *buffer = &ted->buffers[i];
if (!buffer->filename) continue;
LSP *lsp = buffer_lsp(buffer);
if (!lsp) continue;
BufferPos mouse_pos = {0};
if (buffer_pixels_to_pos(buffer, ted->mouse_pos, &mouse_pos)) {
// send the request
LSPRequest request = {.type = LSP_REQUEST_HOVER};
LSPRequestHover *h = &request.data.hover;
h->position = buffer_pos_to_lsp_document_position(buffer, mouse_pos);
lsp_send_request(lsp, &request);
break;
}
}
}
void hover_process_lsp_response(Ted *ted, LSPResponse *response) {
if (!response) return;
if (response->request.type != LSP_REQUEST_HOVER) return;
Hover *hover = &ted->hover;
LSPResponseHover *hover_response = &response->data.hover;
free(hover->text);
hover->text = NULL;
const char *contents = lsp_response_string(response, hover_response->contents);
if (*contents) {
hover->text = str_dup(contents);
char *p = hover->text + strlen(hover->text) - 1;
// remove trailing whitespace
// (rust-analyzer gives us trailing newlines for local variables)
for (; p > hover->text && isspace(*p); --p)
*p = '\0';
}
}
void hover_frame(Ted *ted, double dt) {
Hover *hover = &ted->hover;
if (ted->autocomplete.open) {
hover_close(ted);
}
if (!hover->open) {
hover->time += dt;
if (hover->time > 1.0) {
hover_send_request(ted);
hover->open = true;
}
return;
}
if (!hover->text)
return;
const char *text = hover->text;
u16 lines = 0; // number of lines of text
for (int i = 0; text[i]; ++i)
if (text[i] == '\n')
++lines;
//Font *font = ted->font;
//float width = 200, height = lines * font->char_height;
}
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